# Subtraction Math Master — Mental Math Subtraction Test

> Improve 2-digit mental subtraction skills through timed challenges and practice. (iPhone/iPad app by Peter Li.)

- Source: https://appshunter.io/ios/app/subtraction-math-master/id672670414 (this page in markdown: same URL + `.md`)
- Developer: [Peter Li](https://appshunter.io/developer/424298074)
- Category: Games, Casual, Trivia, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 8.0 · 4 MB
- Languages: American English
- Released: 2013-08-05
- Data updated: 2026-08-23
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/subtraction-math-master/id672670414/reviews.md

## What is Subtraction Math Master?

* Improve 2 digit mental Subtraction ! 
* Keep your mind active through training and competition. 
* Boost daily productivity. 

Background: 
Everyday we come across situations where we need to do quick math operations and most of the time we just reach for the calculator and punch numbers. 

This game will help you rely less on that calculator and hopefully in time you will be proficient in mental 2 digit subtraction. 

Features: 
- Stylish and intuitive user interface 
- Subtract numbers from 10 to 99 as fast as possible 
- 2 modes: PLAY & WORK 
- STATISTICS: Track your best score, average score and total games played 
- Share scores with family and friends 
- Game Center Leaderboards & Achievements supported 

** PLAY 
Solve subtraction questions as fast as you can in one minute to achieve a high score! 
Can you reach the coveted "S" rank? 

** WORK (In-app purchase required) 
Unlimited training time will further prepare you for the 1 minute subtraction marathon. 

** SHARE 
Share your results with friends and family through Facebook, Twitter, Sina Weibo, etc. 

Find out who among you is a Subtraction Master!

## Key features

- Improve 2-digit mental subtraction
- Timed challenges and unlimited practice modes
- Track scores and statistics
- Game Center Leaderboards & Achievements
- Share scores with friends and family
- Stylish and intuitive interface

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| WORK MODE | $0.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/subtraction-math-master/id672670414/reviews.md

### 5/5 — 구매 목록

*2016-01-08*

삭제 부탁드려요

### 5/5 — これは…

*2013-12-31*

面白いです。とってみる価値アリですよ！

## Frequently asked questions about Subtraction Math Master

### What is Subtraction Math Master?

Subtraction Math Master is a game designed to help users improve their 2-digit mental subtraction skills. It offers timed play modes and unlimited practice to enhance cognitive function and reduce reliance on calculators.

### How does Subtraction Math Master improve mental math?

The game focuses on rapid 2-digit subtraction exercises. By practicing regularly in both timed and untimed modes, users can increase their speed and accuracy in performing these calculations mentally.

### What are the different modes in Subtraction Math Master?

Subtraction Math Master features two main modes: 'PLAY', a timed challenge to achieve a high score within one minute, and 'WORK', an in-app purchase feature offering unlimited training time for more in-depth preparation.

### Can I track my progress in Subtraction Math Master?

Yes, the app includes a STATISTICS feature that allows you to track your best score, average score, and the total number of games played, helping you monitor your improvement over time.

### Does Subtraction Math Master have ads?

No, Subtraction Math Master does not contain advertisements. The app is free to download and play, with optional in-app purchases for additional features.

### What devices is Subtraction Math Master compatible with?

Subtraction Math Master is available on iPhone and iPad devices. It is designed to run on iOS platforms.

### How often is Subtraction Math Master updated?

The latest version of Subtraction Math Master is 1.04, which was last updated on June 14, 2020. Updates typically focus on performance improvements and bug fixes.

### Is Subtraction Math Master suitable for children?

Subtraction Math Master has an age rating of 4+, making it suitable for young learners and anyone looking to practice basic subtraction skills. Its intuitive interface is designed for ease of use.

## Version history (last 5 of 5)

### 1.04 — 2020-06-14

* Updated interface, loading screens for newer devices
* Reduced ad frequency
* Added marketing URL

### 1.03 — 2019-06-25

* Fixed social media sharing for newer iPhone devices
* Removed banner ads
* Updated screenshots, loading screens, icons for newer devices

### 1.02 — 2017-07-25

* Updated for newer iOS versions and devices
* Fixed sharing for newer iPad devices

### 1.01 — 2014-08-27

* Minor update
* New loading screen
* Updated screenshots

### 1.0 — 2013-08-05

No release notes.

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## More apps by Peter Li

- [Talk Timer Clock](https://appshunter.io/ios/app/talk-timer-clock/id641433148)
- [Multiply Master](https://appshunter.io/ios/app/multiply-master/id660164543)
- [Division Math Master](https://appshunter.io/ios/app/division-math-master/id668391076)
- [Addition Math Master](https://appshunter.io/ios/app/addition-math-master/id672669932)
- [Number Puzzle 3X3 Slider Game](https://appshunter.io/ios/app/number-puzzle-3x3-slider-game/id687922959)

All apps by Peter Li: https://appshunter.io/developer/424298074

## Related topics

[subtraction math master](https://appshunter.io/ios/topics/subtraction-math-master) · [subtraction math master 2](https://appshunter.io/ios/topics/subtraction-math-master-2) · [mental math subtraction](https://appshunter.io/ios/topics/mental-math-subtraction) · [subtraction skill builders](https://appshunter.io/ios/topics/subtraction-skill-builders)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*